Merchandising. That is, if that is one of your answer choices. Chances are, they won't be selling the reef any time soon.
Answer:

square both sides:

solve the roots:

take a cube root on both sides:
![\sqrt[3]{ {x}^{3} } = \sqrt[3]{216}](https://tex.z-dn.net/?f=%20%5Csqrt%5B3%5D%7B%20%7Bx%7D%5E%7B3%7D%20%7D%20%20%3D%20%20%5Csqrt%5B3%5D%7B216%7D%20)
solve the cube root:

Aerobics exercise are practice or training routines which is aimed at strengthening the muscles and aiding general fitness. Aerobic exercises performed in a water or pool, they are called water aerobics or aquatic fitness routines.
Hence, <em>swimming laps are not a form of aerobics</em>. Hence, the Statememt is false.
Swimming is a sport on its own which is performed inside a pool. Water aerobics however are performed in shallow waters and are meant to improve aquatic fitness. Water aerobic routines include ; <em>Water yoga, Zumba and aqua jog</em>.
Therefore, swimming is not a water aerobic routine.
Learn more : brainly.com/question/25292638
Answer:
Certain information about these bombs are not readily available on the Internet. The marathon bombers had to have carefully their attack since both bombs exploded around the same time.
Explanation:
Cos(2θ) = cos²θ - sin²θ = (1-sin²θ)-sin²θ = 1-2(7/9)^2 = -17/81